// Copyright (c) 2017-2019 Intel Corporation
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#ifndef __MFX_JPEG_H__
#define __MFX_JPEG_H__

#include "mfxdefs.h"

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* CodecId */
enum { MFX_CODEC_JPEG = MFX_MAKEFOURCC('J', 'P', 'E', 'G') };

/* CodecProfile, CodecLevel */
enum { MFX_PROFILE_JPEG_BASELINE = 1 };

enum {
  MFX_ROTATION_0 = 0,
  MFX_ROTATION_90 = 1,
  MFX_ROTATION_180 = 2,
  MFX_ROTATION_270 = 3
};

enum {
  MFX_EXTBUFF_JPEG_QT = MFX_MAKEFOURCC('J', 'P', 'G', 'Q'),
  MFX_EXTBUFF_JPEG_HUFFMAN = MFX_MAKEFOURCC('J', 'P', 'G', 'H')
};

enum {
  MFX_JPEG_COLORFORMAT_UNKNOWN = 0,
  MFX_JPEG_COLORFORMAT_YCbCr = 1,
  MFX_JPEG_COLORFORMAT_RGB = 2
};

enum {
  MFX_SCANTYPE_UNKNOWN = 0,
  MFX_SCANTYPE_INTERLEAVED = 1,
  MFX_SCANTYPE_NONINTERLEAVED = 2
};

enum { MFX_CHROMAFORMAT_JPEG_SAMPLING = 6 };

MFX_PACK_BEGIN_USUAL_STRUCT()
typedef struct {
  mfxExtBuffer Header;

  mfxU16 reserved[7];
  mfxU16 NumTable;

  mfxU16 Qm[4][64];
} mfxExtJPEGQuantTables;
MFX_PACK_END()

MFX_PACK_BEGIN_USUAL_STRUCT()
typedef struct {
  mfxExtBuffer Header;

  mfxU16 reserved[2];
  mfxU16 NumDCTable;
  mfxU16 NumACTable;

  struct {
    mfxU8 Bits[16];
    mfxU8 Values[12];
  } DCTables[4];

  struct {
    mfxU8 Bits[16];
    mfxU8 Values[162];
  } ACTables[4];
} mfxExtJPEGHuffmanTables;
MFX_PACK_END()

#ifdef __cplusplus
}  // extern "C"
#endif /* __cplusplus */

#endif  // __MFX_JPEG_H__
